from numpy cimport int64_t
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from pandas._libs.tslibs.np_datetime cimport NPY_DATETIMEUNIT
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cpdef str npy_unit_to_abbrev(NPY_DATETIMEUNIT unit)
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cpdef NPY_DATETIMEUNIT abbrev_to_npy_unit(str abbrev)
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cdef NPY_DATETIMEUNIT freq_group_code_to_npy_unit(int freq) nogil
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cpdef int64_t periods_per_day(NPY_DATETIMEUNIT reso=*) except? -1
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cpdef int64_t periods_per_second(NPY_DATETIMEUNIT reso) except? -1
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cpdef NPY_DATETIMEUNIT get_supported_reso(NPY_DATETIMEUNIT reso)
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cdef dict attrname_to_abbrevs
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cdef dict npy_unit_to_attrname
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cdef dict attrname_to_npy_unit
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cdef enum c_FreqGroup:
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# Mirrors FreqGroup in the .pyx file
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FR_ANN = 1000
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FR_QTR = 2000
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FR_MTH = 3000
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FR_WK = 4000
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FR_BUS = 5000
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FR_DAY = 6000
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FR_HR = 7000
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FR_MIN = 8000
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FR_SEC = 9000
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FR_MS = 10000
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FR_US = 11000
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FR_NS = 12000
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FR_UND = -10000 # undefined
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cdef enum c_Resolution:
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# Mirrors Resolution in the .pyx file
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RESO_NS = 0
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RESO_US = 1
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RESO_MS = 2
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RESO_SEC = 3
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RESO_MIN = 4
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RESO_HR = 5
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RESO_DAY = 6
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RESO_MTH = 7
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RESO_QTR = 8
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RESO_YR = 9
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cdef enum PeriodDtypeCode:
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# Annual freqs with various fiscal year ends.
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# eg, 2005 for A_FEB runs Mar 1, 2004 to Feb 28, 2005
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A = 1000 # Default alias
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A_DEC = 1000 # Annual - December year end
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A_JAN = 1001 # Annual - January year end
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A_FEB = 1002 # Annual - February year end
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A_MAR = 1003 # Annual - March year end
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A_APR = 1004 # Annual - April year end
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A_MAY = 1005 # Annual - May year end
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A_JUN = 1006 # Annual - June year end
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A_JUL = 1007 # Annual - July year end
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A_AUG = 1008 # Annual - August year end
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A_SEP = 1009 # Annual - September year end
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A_OCT = 1010 # Annual - October year end
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A_NOV = 1011 # Annual - November year end
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# Quarterly frequencies with various fiscal year ends.
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# eg, Q42005 for Q_OCT runs Aug 1, 2005 to Oct 31, 2005
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Q_DEC = 2000 # Quarterly - December year end
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Q_JAN = 2001 # Quarterly - January year end
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Q_FEB = 2002 # Quarterly - February year end
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Q_MAR = 2003 # Quarterly - March year end
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Q_APR = 2004 # Quarterly - April year end
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Q_MAY = 2005 # Quarterly - May year end
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Q_JUN = 2006 # Quarterly - June year end
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Q_JUL = 2007 # Quarterly - July year end
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Q_AUG = 2008 # Quarterly - August year end
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Q_SEP = 2009 # Quarterly - September year end
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Q_OCT = 2010 # Quarterly - October year end
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Q_NOV = 2011 # Quarterly - November year end
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M = 3000 # Monthly
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W_SUN = 4000 # Weekly - Sunday end of week
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W_MON = 4001 # Weekly - Monday end of week
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W_TUE = 4002 # Weekly - Tuesday end of week
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W_WED = 4003 # Weekly - Wednesday end of week
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W_THU = 4004 # Weekly - Thursday end of week
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W_FRI = 4005 # Weekly - Friday end of week
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W_SAT = 4006 # Weekly - Saturday end of week
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B = 5000 # Business days
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D = 6000 # Daily
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H = 7000 # Hourly
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T = 8000 # Minutely
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S = 9000 # Secondly
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L = 10000 # Millisecondly
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U = 11000 # Microsecondly
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N = 12000 # Nanosecondly
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UNDEFINED = -10_000
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cdef class PeriodDtypeBase:
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cdef readonly:
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PeriodDtypeCode _dtype_code
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cpdef int _get_to_timestamp_base(self)
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